AI’s next test: can chip supply keep up?AI momentum continues, yet evolving memory supply conditions could shape how smoothly that growth translates into earnings and equity returns.Nigel Green3 min readFebruary 21, 2026 - 11:34PMStockheadYou can run.exe, but you can't hide.exe. Pic: Getty ImagesStockheadDon't miss out on the headlines from Stockhead. Followed categories will be added to My News.AI momentum continues, yet evolving memory supply conditions could shape how smoothly that growth translates into earnings and equity returns.Words by Nigel Green, group CEO and founder of deVere GroupA deepening shortage of memory chips is rapidly evolving into a legitimate risk for investors, with portfolios heavily exposed to AI, tech, consumer electronics and automotive sectors.Markets have spent the past two years rewarding scale, speed and optimism around artificial intelligence. Capital has concentrated in companies positioned at the centre of AI infrastructure, advanced semiconductors, hyperscale data centres and next-gen vehicles.Valuations reflect expectations of seamless expansion. A tightening supply of high-bandwidth memory and advanced DRAM now challenges those expectations in a way that carries direct consequences for earnings, margins and equity performance.This is a potential profit shock building in plain sight. Investors who assume uninterrupted scaling in AI and tech need to reassess exposure, I believe, as a matter of urgency.Supply constraints at this level can quickly translate into margin pressure, delayed revenues and sharper equity swings.Memory is a foundational component of the AI story.. Training large-scale models, running inference at commercial scale, expanding cloud capacity and powering advanced computing systems require significant volumes of high-performance memory.When supply lags demand, deployment timelines extend and input costs rise. Forecasts built on aggressive infrastructure rollouts become harder to sustain.Why valuations depend on hardware realityEquity markets have priced in smooth growth trajectories. In many cases, forward multiples embed assumptions of stable supply chains and predictable cost curves.Tightening memory availability introduces a structural friction point. Revenue recognition can shift across quarters, capital expenditure plans may be deferred. Guidance can soften, with each adjustment feeding directly into valuation sensitivity.Industry leaders are acknowledging the strain. Apple’s chief executive Tim Cook has referred to supply pressures affecting product flows. Elon Musk has also previously described semiconductor shortages as constraints on production scaling.Their remarks underline a broader fragility within the digital economy: dependency on a highly specialised, globally distributed manufacturing base with limited short-term elasticity.The automotive sector illustrates the exposure clearly. Electric vehicles rely on advanced onboard computing systems, battery management software and sensor integration, all of which depend on memory-intensive architecture.Production bottlenecks caused by constrained chip supply can lead to missed delivery targets and downward revenue revisions.In a sector where growth expectations remain elevated, such revisions can prompt swift share price reactions.From silicon to markets: the broader ripple effectsAn additional layer of complexity stems from the inflationary dimension. Sustained increases in hardware costs can filter into broader price indices, especially where memory-intensive components are embedded in consumer devices or industrial systems.Shifts in inflation expectations can influence bond yields, rate outlooks and currency markets. Investors with cross-asset exposure need to consider the second-order effects of a prolonged chip imbalance.Emerging markets integrated into semiconductor supply chains may experience currency volatility as trade flows adjust.Export-oriented economies tied to chip production could benefit from firmer demand and pricing, while import-dependent markets may face pressure.Hardware-heavy stock indices are particularly exposed if earnings guidance weakens across multiple quarters.Positioning for the next phase of the AI cycleMemory supply should, I believe, now be viewed as a strategic variable in portfolio construction.Concentrated exposure to AI and tech has delivered substantial returns, yet those returns are increasingly sensitive to a single bottleneck with systemic reach.Diversification across sectors, geographies and asset classes becomes more relevant when supply-side constraints intersect with elevated valuations.Expanding fabrication capacity is capital-intensive and time-consuming. Building advanced memory facilities involves complex engineering, regulatory approvals and geopolitical considerations. As such, near-term relief appears limited.The imbalance between demand and supply may therefore persist through upcoming earnings cycles, increasing the probability of guidance revisions and heightened volatility.Investors should undertake disciplined portfolio reviews, stress-test earnings assumptions against tighter supply conditions and examine sensitivity to hardware cost inflation.Professional advice can help ensure allocations reflect evolving risk parameters rather than extrapolated optimism.AI momentum remains powerful. Adoption continues, and structural demand for advanced computing is unlikely to dissipate. Yet market leadership built on uninterrupted scaling is vulnerable to disruption.Beneath the prevailing confidence in AI-driven growth, the silicon squeeze is tightening which could some investors at risk if caution is not exercised.Nigel Green is the group CEO and founder of deVere Group, an independent global financial consultancy.The views, information or opinions expressed in the commentary in this article are solely those of the author and do not represent the views of Stockhead.Stockhead does not provide, endorse or otherwise assume responsibility for any financial advice contained in this article.Originally published as AI’s next test: can chip supply keep up?More related storiesStockheadTG Metals on the pathway to gold productionAs drilling extends strike and depth at Van Uden, TG Metals is positioning the WA gold project for a bigger resource and a potential pathway to production.Read moreStockheadAussie silver miner eyes IPOEndurance Mining is aiming to bring the Abra silver and lead mine back to the ASX, two years after it fell into administration.Read more